def demo(num,num_list):
    print("函数开始")
    num += num
    num_list += num_list

    print(num)
    print(num_list)
    print("函数完成")
gl_num = 9
gl_list = [1,2,3]
demo(gl_num,gl_list)
print(gl_num)
print(gl_list)